Precise mobile positioning inside a car using outside 2.4 GHz antennas

A mobile phone with the Bluetooth enabled is inside a car. The mobile phone inside the car could be anywhere: in the driver's pocket, on the passenger seat, etc.

[url removed, login to view] antennas used in outdoor conditions and obviously outside the car will be set to create a detection zone of 2 meter diameter.

The goal is to be able to send data through Bluetooth [url removed, login to view] to the mobile phone but only if this one is within the detection zone. This must be very reliable because several cars could be one behind the other or one next to the other.

So when the car goes inside the detection zone, the mobile phone must be able to detect the [url removed, login to view] signal from the outside antennas and start to communicate using Bluetooth.

If the car is not inside this detection zone of 2m diameter, the mobile phone cannot detect the signal.

If 2 cars is one behind the other, only the mobile inside the car within the detection zone will be detected.

The use of 1 or more directional antennas will be certainly a way to do it.

The [url removed, login to view] frequency is well absorbed by the metal parts of the car and by the human body. A special attention will be put on the position of the antennas to avoid too much absorption by the metal parts of the car.

The [url removed, login to view] antennas will be connected to a hardware in order to transmit data to the mobile phone. More details will come when we start the project.

Your mission is to find a solution to do what's described above. It includes finding:

- What kind of antennas must be used (model, type, gain, etc.)

- The antennas positioning

- Tests in real conditions

Competenze: Servizi Antenna, Bluetooth Low Energy (BLE), Ingegneria Elettrica, iBeacon, Ingegneria delle Telecomunicazioni

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Sul datore di lavoro:
( 1 recensione ) Nidau, Switzerland

ID Progetto: #12207807

4 freelance hanno fatto un'offerta media di $1125 per questo lavoro


I have worked on GSM jammers. So I can can design this type of project. Directional antennas are used to detect signal in such environment. The component cost is high so I have to adjust the bid according to it

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Dear Concern, I am Electrical and Electronic Engineer. I am very good in Microsoft office application especially in Excel, MS word, visio, power point, etc. I have manage large database in Alcatel-Lucent, Ericsson, Pa Più

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FREELANCER RECOMMENDED ------------------------------------------------------ Can help... I am an Expert... Lets Start! Please start a Discussion with me and we can get started from there... Please check the past p Più

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